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Finding the Fourth Proportional to 133,373.60, 200,060.40 and 83,607.20

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Solution

The fourth proportional to 133,373.60, 200,060.40 and 83,607.20 is: 125,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,373.60 : 200,060.40 = 83,607.20 : x
  2. Step 2: Convert to fraction form
    133,373.60/200,060.40 = 83,607.20/x
  3. Step 3: Cross multiply
    133,373.60x = 200,060.40 × 83,607.20
  4. Step 4: Simplify right side
    133,373.60x = 16,726,489,874.88
  5. Step 5: Solve for x
    x = 16,726,489,874.88/133,373.60
  6. Step 6: Final answer
    x = 125,410.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.